题目内容：

In 1970, a cyclone(旋风)hit the southern coast of Bangladesh(孟加拉国). So severe and deadly were its effects that it’s______listed as the world’s worst-ever reported natural disaster. The______had a big impact on two Swedish men from Mission Aviation Fellowship(MAF). They traveled ______to Bangladesh for the purpose of seeing what they could do to______. They journeyed south by boat for several days, throughout the country’s vast _____ network to reach the worst-affected area and began to envision(预想)MAF using an aircraft that would _____direct access to large areas of the country that were almost out of_______.

Throughout the 1980s, MAF Australia, along with other MAF groups, sent staff to_______assistance and their patience and dedication _____since they built trust in the countries that had been ____.

In 1997, MAF could______start a flight program within Bangladesh. At that time, besides transporting doctors to hospitals located in _____parts of the country, MAF also _____an on-call emergency medevac(前线急救直升机)service in Bangladesh.

On November 15, 2007, Cyclone Sidr hit southern Bangladesh. MAF’s________response and emergency procedures were seriously_______as the office received over 200 phone calls in one day from aid agency personnel in urgent need of _____to and from the disaster zone. For the next two months, MAF______solidly, seven days a week. The float plane became known by______locals as “The Sea Angel(天使)”---the only aircraft in the country of its type having such a(n) ______.

In 2009, “The Sea Angel” was sent again for rapid assistance_______Cyclone Alla struck. Today, in Bangladesh, MAF makes over 750 flights and transports around 2,500 passengers annually.

1.A. just    B. still    C. soon    D. often

2.A. history    B. failure    C. burden    D. event

3.A. separately    B. occasionally    C. immediately    D. fortunately

4.A. help    B. limit    C. research    D. avoid

5.A. air    B. bus    C. river    D. rail

6.A. reduce    B. prevent    C. change    D. enable

7.A. focus    B. danger    C. order    D. reach

8.A. seek    B. provide    C. promise    D. receive

9.A. ran out    B. came back    C. paid off    D. kept on

10.A. noticed    B. untied    C. assisted    D. traveled

11.A. properly    B. secretly    C. suddenly    D. finally

12.A. secure    B. crowded    C. remote    D. coastal

13.A. request    B. began    C. restore    D. continue

14.A. rapid    B. natural    C. appropriate    D. unexpected

15.A. followed    B. tested    C. forecasted    D. established

16.A. transport    B. message    C. funding    D. encouragement

17.A. accelerated    B. flew    C. appealed    D. searched

18.A. reasonable    B. grateful    C. outgoing    D. respectable

19.A. destination    B. application    C. decoration    D. reputation

20.A. once    B. if    C. when    D. until